LM3674MF-1.875In StockTexas Instruments
LM3674MF-1.875 is a synchronous step-down (buck) switching regulator with 1.875V fixed output, 600mA current, and 2.7V–5.5V input range. Features PWM voltage-mode control in a compact SOT-23-5 package. From $0.72 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LM3674MF-1.875 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7238(MOQ 5000)
- Temp Range
- -30.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 1.875V output voltage with tight regulation accuracy
- 600mA output current capability for portable applications
- Wide input voltage range: 2.7V to 5.5V supports single Li-ion cell
- Synchronous PWM buck topology for high efficiency
- Compact SOT-23-5 (R-PDSO-G5) package for space-constrained designs
Applications
The LM3674MF-1.875 is ideal for battery-powered portable devices such as smartphones, tablets, and wearables requiring a regulated 1.875V supply. Its wide input range makes it suitable for single-cell Li-ion battery applications, including DSP core power and low-voltage microcontroller supplies. The high-efficiency synchronous buck design also serves point-of-load regulation in IoT modules and wireless sensor nodes.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2600kHz |
| Temperature Grade | OTHER |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and current rating of the LM3674MF-1.875?
The LM3674MF-1.875 provides a fixed 1.875V output voltage with a maximum output current of 600mA, making it suitable for powering low-voltage digital cores and microcontrollers in portable devices.
What input voltage range does the LM3674MF-1.875 support?
The LM3674MF-1.875 accepts an input voltage range of 2.7V to 5.5V, with a nominal input of 3.6V. This range is compatible with single-cell Li-ion batteries and standard 3.3V or 5V supply rails.
What package type is the LM3674MF-1.875 available in?
The LM3674MF-1.875 is available in a SOT-23-5 package (JESD-30 code R-PDSO-G5), a compact 5-pin surface-mount package ideal for space-constrained PCB layouts in portable and wearable electronics.
What control method does the LM3674MF-1.875 use?
The LM3674MF-1.875 uses voltage-mode pulse width modulation (PWM) control technique, providing stable and predictable regulation performance under varying load conditions typical in battery-powered applications.
Related Guides
BOM Optimization: How to Reduce Electronic Component Costs Without Sacrificing Quality
Practical strategies for reducing BOM costs by 15-30% through smart component selection, supplier diversification, and procurement optimization.
Apr 9, 2026
Top 10 Microcontrollers in 2025: A Comprehensive Comparison Guide
Detailed comparison of the most popular MCUs in 2025 — STM32, ESP32, RP2040, nRF52, and more. Specs, pricing, ecosystem, and use-case recommendations.
Apr 9, 2026
How to Read an IC Datasheet: A Practical Guide for Engineers
Master the art of reading IC datasheets. Learn what every section means, which specs matter most, and how to extract the information you need for your design.
Apr 9, 2026
Understanding the 2025 Chip Shortage: Which Components Are Affected and What to Do
Analysis of the current semiconductor supply landscape, which components face extended lead times, and strategies for engineers and procurement teams.
Apr 9, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5000+ | $0.7378 | $3688.75 |
| 7000+ | $0.7306 | $5114.41 |
| 10000+ | $0.7238 | $7237.70 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”